2237152440 has 64 divisors (see below), whose sum is σ = 6746664960. Its totient is φ = 593444480.

The previous prime is 2237152439. The next prime is 2237152447. The reversal of 2237152440 is 442517322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2237152398 and 2237152407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2237152447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25884 + ... + 71723.

It is an arithmetic number, because the mean of its divisors is an integer number (105416640).

Almost surely, 2^2237152440 is an apocalyptic number.

2237152440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2237152440 is an abundant number, since it is smaller than the sum of its proper divisors (4509512520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2237152440 is a wasteful number, since it uses less digits than its factorization.

2237152440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97812 (or 97808 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 2237152440 is about 47298.5458550260. The cubic root of 2237152440 is about 1307.8718510183.

Adding to 2237152440 its reverse (442517322), we get a palindrome (2679669762).

The spelling of 2237152440 in words is "two billion, two hundred thirty-seven million, one hundred fifty-two thousand, four hundred forty".